3 Answers
1 and 5
To find least common multiple of 10 and 20, let us first list down the multiples of 10 and 20.
Multiples of 10 are 10, 20, 30, 40, 50, 60, ..... Multiples of 20 are 20, 40, 60, 80, 100, .....
The multiples common between the two are 20, 40, 60, ....
The least of these common multiples is 20 and hence the answer.
Next one is to find LCM of 3, 5 and 6
Multiples of 3 are 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, 36, 39, 42, 45, 48, 51, 54, 57, 60, ....
Multiples of 5 are 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, 55, 60, ...
Multiples of 6 are 6, 12, 18, 24, 30, 36, 42, 48, 54, 60, ....
The common multiples of the three numbers 3, 5 and 6 are 30, 60, ...
The least of these common multiples is 30.
11 years ago. Rating: 4 | |
Top contributors in Mathematics category
Unanswered Questions
88vnmarketing
Answers: 0
Views: 16
Rating: 0
b52givesvn
Answers: 0
Views: 18
Rating: 0
banca30 gives
Answers: 0
Views: 21
Rating: 0
banca30 gives
Answers: 0
Views: 15
Rating: 0
nhacai
Answers: 0
Views: 21
Rating: 0
I9betcom Pro
Answers: 0
Views: 20
Rating: 0
I9betcom Pro
Answers: 0
Views: 20
Rating: 0
six6bangladesh
> More questions...
Answers: 0
Views: 17
Rating: 0